11972480

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1439}}^1$

素因数の和:1471

約数の個数: 64

約数和(自身を含む): 30844800

約数和(自身を除く): 18872320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1439, 1664, 2080, 2878, 4160, 5756, 7195, 8320, 11512, 14390, 18707, 23024, 28780, 37414, 46048, 57560, 74828, 92096, 93535, 115120, 149656, 184192, 187070, 230240, 299312, 374140, 460480, 598624, 748280, 920960, 1197248, 1496560, 2394496, 2993120, 5986240, 11972480]

約数ペア:

[(1, 11972480), (2, 5986240), (4, 2993120), (5, 2394496), (8, 1496560), (10, 1197248), (13, 920960), (16, 748280), (20, 598624), (26, 460480), (32, 374140), (40, 299312), (52, 230240), (64, 187070), (65, 184192), (80, 149656), (104, 115120), (128, 93535), (130, 92096), (160, 74828), (208, 57560), (260, 46048), (320, 37414), (416, 28780), (520, 23024), (640, 18707), (832, 14390), (1040, 11512), (1439, 8320), (1664, 7195), (2080, 5756), (2878, 4160)]